Antioxidants and cancer were supposed to be bitter enemies. We were told antioxidant benefits also included a reduction in heart disease, memory loss, type 2 diabetes, cataracts and macular degeneration. Antioxidant vitamins (C, E, and beta-carotene) were supposed to help prevent all of them.

So far, the three antioxidants (plus zinc) have succeeded with only one: slowing the pace of macular degeneration in older people who already have the eye disease.

“The randomized trials for antioxidants have been very disappointing,” says Harvard’s JoAnn Manson, who led the Women’s Antioxidant Cardiovascular Study, the Women’s Folic Acid Study, and other major trials.

“An optimal blood pressure is less than 115 systolic over 75 diastolic,” says Norm Campbell, professor of medicine, community health sciences, and physiology and pharmacology at the University of Calgary…

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